Golf GLS L4-2.0L (AEG) (2001)
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Press buttons -0-, -4- and -1- to input display group number 41 (041) and press -Q- button to confirm input.
Indicated on display: (1-4 = display fields)
Read Measuring Value Block 41
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1
2
3
4
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Check resistance value for oxygen sensor heater in display field 3.